National Item Identification Number
12-161-5778
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
Commercial and Government Entity Code (Supplier Data)
D8286
DIN DEUTSCHES INSTITUT FUER NORMUNG
EV
BURGGRAFENSTR. 6
BERLIN
10787
GERMANY
030-2601-0
D8090
SEEGER ORBIS GMBH & CO. OHG
14 60
KOENIGSTEIN
GERMANY
06174-205-0
D8286
DIN DEUTSCHES INSTITUT FUER NORMUNG
EV
BURGGRAFENSTR. 6
BERLIN
10787
GERMANY
030-2601-0
D2396
RHEINMETALL W & M GMBH
PEMPELFURTSTRASSE 1
RATINGEN
40882
GERMANY
02102-90-0
C2311
BUNDESAMT FUER WEHRTECHNIK
UND BESCHAFFUNG
30 01 65
KOBLENZ
GERMANY
0261-400-0
D2418
FLENDER A. FRIEDRICH AG
FRIOLZHEIMERSTR. 3
STUTTGART
70499
GERMANY
0711-780-5452
D9182
Reference Numbers (Part Numbers)
DIN988-S28X40
SS28X40X2
S28X40DIN988
100332-10200.44
100332-10200-44
338249
Required Categories
Required Description